fix $item with names that are also specials

src/ItemData.cc

@@ -1409,7 +1409,7 @@ const unordered_map<uint32_t, ItemNameInfo> name_info_for_primary_identifier({
     {0x031903, "Team Points 10000"},
 });
 
-ItemData::ItemData(const string& orig_description) {
+ItemData::ItemData(const string& orig_description, bool skip_special) {
   this->data1d.clear(0);
   this->id = 0xFFFFFFFF;
   this->data2d = 0;
@@ -1444,6 +1444,7 @@ ItemData::ItemData(const string& orig_description) {
   }
 
   uint8_t weapon_special = 0;
+  if (!skip_special) {
     for (const auto& it : name_for_weapon_special) {
       if (!it.second) {
         continue;
@@ -1456,6 +1457,7 @@ ItemData::ItemData(const string& orig_description) {
         break;
       }
     }
+  }
 
   static map<string, uint32_t> primary_identifier_for_name;
   if (primary_identifier_for_name.empty()) {
@@ -1865,13 +1867,23 @@ ItemData item_for_string(const string& desc) {
   try {
     return ItemData(desc);
   } catch (const exception&) {
+  }
+  try {
+    return ItemData(desc, true);
+  } catch (const exception&) {
+  }
+
   string data = parse_data_string(desc);
   if (data.size() < 2) {
     throw runtime_error("item code too short");
   }
+  if (data[0] > 4) {
+    throw runtime_error("invalid item class");
+  }
   if (data.size() > 16) {
     throw runtime_error("item code too long");
   }
+
   ItemData ret;
   if (data.size() <= 12) {
     memcpy(ret.data1.data(), data.data(), data.size());
@@ -1881,4 +1893,3 @@ ItemData item_for_string(const string& desc) {
   }
   return ret;
 }
-}

src/ItemData.hh

@@ -96,7 +96,7 @@ struct ItemData { // 0x14 bytes
   } __attribute__((packed));
 
   ItemData();
-  explicit ItemData(const std::string& orig_description);
+  explicit ItemData(const std::string& orig_description, bool skip_special = false);
   ItemData(const ItemData& other);
   ItemData& operator=(const ItemData& other);